Topics from June 2016
- Is rain water hundred per cent pure? Can we use it as drinking water?
- Is there a simple way to check the purity and genuineness of mineral water available in the market?
- Why do water drops dance when poured on a hot plate?
- How dowels in the beach yield good drinking water?
- How is quantity of water in dams and reservoirs measured?
- Why does water appear white in a waterfall though it is colour less?
- How does water stored in a mud pot remain cool?